Home / 27,818.92-38,390.16-16,493.95

Finding the Fourth Proportional to 27,818.92, 38,390.16 and 16,493.95

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Solution

The fourth proportional to 27,818.92, 38,390.16 and 16,493.95 is: 22,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818.92 : 38,390.16 = 16,493.95 : x
  2. Step 2: Convert to fraction form
    27,818.92/38,390.16 = 16,493.95/x
  3. Step 3: Cross multiply
    27,818.92x = 38,390.16 × 16,493.95
  4. Step 4: Simplify right side
    27,818.92x = 633,205,379.53
  5. Step 5: Solve for x
    x = 633,205,379.53/27,818.92
  6. Step 6: Final answer
    x = 22,761.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.